/*
 * @(#)ResizablePanel.java 2/14/2005
 *
 * Copyright 2002 - 2005 JIDE Software Inc. All rights reserved.
 */
package com.element.swing.resize;

import com.element.plaf.UIDefaultsLookup;

import javax.swing.*;
import java.awt.*;

/**
 * <code>ResizablePanel</code> is a panel that can be resized. You can resize it from any of the four corners or four
 * sides.
 */
public class ResizablePanel extends JPanel implements ResizableSupport {
	private Resizable _resizable;

	/**
	 * Creates a new <code>ResizablePanel</code> with a double buffer and a flow layout.
	 */
	public ResizablePanel() {
		initComponents();
	}

	/**
	 * Creates a new <code>ResizablePanel</code> with <code>FlowLayout</code> and the specified buffering strategy. If
	 * <code>isDoubleBuffered</code> is true, the <code>JPanel</code> will use a double buffer.
	 *
	 * @param isDoubleBuffered a boolean, true for double-buffering, which uses additional memory space to achieve fast,
	 *                         flicker-free updates
	 */
	public ResizablePanel(boolean isDoubleBuffered) {
		super(isDoubleBuffered);
		initComponents();
	}

	/**
	 * Create a new buffered <code>ResizablePanel</code> with the specified layout manager
	 *
	 * @param layout the LayoutManager to use
	 */
	public ResizablePanel(LayoutManager layout) {
		super(layout);
		initComponents();
	}

	/**
	 * Creates a new <code>ResizablePanel</code> with the specified layout manager and buffering strategy.
	 *
	 * @param layout           the LayoutManager to use
	 * @param isDoubleBuffered a boolean, true for double-buffering, which uses additional memory space to achieve fast,
	 *                         flicker-free updates
	 */
	public ResizablePanel(LayoutManager layout, boolean isDoubleBuffered) {
		super(layout, isDoubleBuffered);
		initComponents();
	}

	/**
	 * Creates the Resizable class. It also set the panel's layout to BorderLayout.
	 */
	protected void initComponents() {
		_resizable = createResizable();
		setLayout(new BorderLayout());
	}

	/**
	 * Creates the Resizable. Subclass class can override this method to create its own Resizable and tweak some
	 * options.
	 *
	 * @return Resizable.
	 */
	protected Resizable createResizable() {
		return new Resizable(this);
	}

	/**
	 * Gets the Resizable.
	 *
	 * @return the Resizable.
	 */
	public Resizable getResizable() {
		return _resizable;
	}

	/**
	 * Overrides the updateUI method to set border to resizable border defined in UIManagerLookup.getBorder("Resizable.resizeBorder")).
	 */
	@Override
	public void updateUI() {
		super.updateUI();
		setBorder(UIDefaultsLookup.getBorder("Resizable.resizeBorder"));
	}
}
